Finding the Fourth Proportional to 17,930,916.08, 26,887,029.95 and 6,411,942.80
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Solution
The fourth proportional to 17,930,916.08, 26,887,029.95 and 6,411,942.80 is: 9,614,572.80
Step by Step Solution
- Step 1: Write the proportion equation
17,930,916.08 : 26,887,029.95 = 6,411,942.80 : x - Step 2: Convert to fraction form
17,930,916.08/26,887,029.95 = 6,411,942.80/x - Step 3: Cross multiply
17,930,916.08x = 26,887,029.95 × 6,411,942.80 - Step 4: Simplify right side
17,930,916.08x = 172,398,097,982,881.56 - Step 5: Solve for x
x = 172,398,097,982,881.56/17,930,916.08 - Step 6: Final answer
x = 9,614,572.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.